Chapter 5: Trig Functions
What values does sin represent on the coordinate plane?
y-values
What is direction?
The angle of the vector
What are systems of equations?
2 or more equations with 2 or more variables
How would you read this out loud?
The limit as x approaches c in the function f(x)
What values does cos represent on the coordinate plane?
x-values
What is magnitude?
The length of a vector
What are the steps for the graphing method of solving systems of equations?
Graphing all equations and finding the point(s) of intersection
Name one scenario where a limit is undefined
When the graph does not approach the same value from both sides, dividing by zero, or having a negative square root
What values does tan represent on the coordinate plane?
y/x
What are the two main parts of a vector?
What are the steps for back-substitution?
Start with the isolated variable and work backwards
What are the steps for the direct substitution method of solving limits?
Plug "c" directly into the function and solve
What values does cot represent on the coordinate plane?
x/y
What form is the following vector in?
v = {12, -5}
Component form
What are the steps for the elimination method of solving systems of equations?
Combine both equations to eliminate a variable, then solve for the isolated variable
What are the steps for the graphing method of solving limits?
Graph the function and see where the function approaches the y-axis from the left and right sides of the specified x-value
What values does sec represent on the coordinate plane?
1/x
What form is the following vector in?
v = 12i - 5j
Linear combination form
What are the steps for the substitution method of solving systems of equations?
Pick one equation, solve for one variable, then substitute the isolated variable into the other equation and solve
What are the steps for the table method of solving limits?